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/*
asmlinkage long sys_recv(int fd, void __user *ubuf, size_t size,
unsigned flags)
*/
#include <sys/types.h>
#include <sys/socket.h>
#include "net.h"
#include "sanitise.h"
#include "compat.h"
static void sanitise_recv(struct syscallrecord *rec)
{
rec->a1 = fd_from_socketinfo((struct socketinfo *) rec->a1);
}
static unsigned long recv_flags[] = {
MSG_OOB, MSG_PEEK, MSG_DONTROUTE, MSG_CTRUNC,
MSG_PROBE, MSG_TRUNC, MSG_DONTWAIT, MSG_EOR,
MSG_WAITALL, MSG_FIN, MSG_SYN, MSG_CONFIRM,
MSG_RST, MSG_ERRQUEUE, MSG_NOSIGNAL, MSG_MORE,
MSG_WAITFORONE, MSG_FASTOPEN, MSG_CMSG_CLOEXEC, MSG_CMSG_COMPAT,
MSG_BATCH, MSG_ZEROCOPY,
};
struct syscallentry syscall_recv = {
.name = "recv",
.num_args = 4,
.arg1name = "fd",
.arg1type = ARG_SOCKETINFO,
.arg2name = "ubuf",
.arg2type = ARG_ADDRESS,
.arg3name = "size",
.arg3type = ARG_LEN,
.arg4name = "flags",
.arg4type = ARG_LIST,
.arg4list = ARGLIST(recv_flags),
.flags = NEED_ALARM,
.sanitise = sanitise_recv,
};
/*
* SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
unsigned, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
*/
struct syscallentry syscall_recvfrom = {
.name = "recvfrom",
.num_args = 6,
.arg1name = "fd",
.arg1type = ARG_SOCKETINFO,
.arg2name = "ubuf",
.arg2type = ARG_ADDRESS,
.arg3name = "size",
.arg3type = ARG_LEN,
.arg4name = "flags",
.arg4type = ARG_LIST,
.arg4list = ARGLIST(recv_flags),
.arg5name = "addr",
.arg5type = ARG_SOCKADDR,
.arg6name = "addr_len",
.arg6type = ARG_SOCKADDRLEN,
.flags = NEED_ALARM,
.sanitise = sanitise_recv, // same as recv
};
/*
* SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg, unsigned int, flags)
*/
struct syscallentry syscall_recvmsg = {
.name = "recvmsg",
.num_args = 3,
.arg1name = "fd",
.arg1type = ARG_SOCKETINFO,
.arg2name = "msg",
.arg2type = ARG_ADDRESS,
.arg3name = "flags",
.arg3type = ARG_LIST,
.arg3list = ARGLIST(recv_flags),
.flags = NEED_ALARM,
.sanitise = sanitise_recv, // same as recv
};
/*
* SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
unsigned int, vlen, unsigned int, flags,
struct timespec __user *, timeout)
*/
struct syscallentry syscall_recvmmsg = {
.name = "recvmmsg",
.num_args = 5,
.arg1name = "fd",
.arg1type = ARG_SOCKETINFO,
.arg2name = "mmsg",
.arg2type = ARG_ADDRESS,
.arg3name = "vlen",
.arg3type = ARG_LEN,
.arg4name = "flags",
.arg4type = ARG_LIST,
.arg4list = ARGLIST(recv_flags),
.arg5name = "timeout",
.arg5type = ARG_ADDRESS,
.flags = NEED_ALARM,
.sanitise = sanitise_recv, // same as recv
};
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